Shield for pneumatic tires.



l UNITED STATES PATIENT OFFICE.

,Y FREDERIcIrnEAvEN'AND .IosEPIInELPI-IIN, or cI-IIcAeo, ILLINOIS.

SHIELD FOR PNEUMATIC TIRES. Y

s'incIrIoArIoN rowing part of Letters raient No, V629,230, aatearuiy 1s, 189e. v Application `tiled November 2,1398. Serial No. 695,506. (lio model() v Toa/Z whom tm/ttycol-wenn:A y Be it known that we, FREDERICK BEAVEN and JOSEPH DELPHIN, citizens of the United States, residing at Chicago, in thevcounty of Cook and State of Illinois, have invented certain new and useful Im prvem ents in Shields for'Pneumatic Bicycle and all Vehicle Tires;

and we do'hereby declare the following to be Aa full, clear, rand exact description of the invention, such as will enable others skilled in the art tovwhich it appertains to make and use the same.

This invention relates to certain new and useful improvements in shields for pneu matic bicycle and other vehicle tires.

The invention .has for its object to con- .struct a shield that will prevent the tire from gree.

In describing the invention in detail reference is had to the accompanying drawings, forming a part of thisspecification, and wherein like igures indicate similar parts throughout the several views, in which- Figure lis a cross-sectional view of the tire and rim, showing the location of the slit in the tread of the tire. Fig. 2 is a similar view showing the shield partly inserted. Fig. 3 is a side view in elevation of the tire and shield. Fig. 4 is a perspective view of the fasteningclip.

Referring now to the drawings by referencenurnerals, l designates the air-chamber of the tire, and 2 the tread. A f

The portion of the tire which engages the rim 3 of the wheel is the same in shape and construction as the ordinary pneumatic tire, the treadof' which, however, is iiat and projects beyond the sides of the tire and is somewhat thicker than the body ofthe tiro. This y'tread is provided on each side with a flange 4, which serves as a protection to the tire.V v Arranged circumferentially of the tread and extending nearly theentire width there- `the ,drawings it willbe observed that this slit projects beyond the sidesof the air-chamber and into the iange 4. By this arrangement it would be impossible for a sharp objectto' puncture the tire, and should such an object strike the protecting-strip or shield only the outside surface would be punctured or injured, while the air-chamber would be protected and would remain whole. Y

of which the two ends of the protecting-strip or shield 6 may be fastened together. This clip '7 is provided with a slit in each end to receive the beveled ends of the protecting-strip or shield, which may be secured within said clip by a rivet -8 or other suitable fastening means. Y Y

It will be observed from the foregoing description that our invention consists inproviding a flat protecting-strip and in providing a tire with a slit extending entirely around the same, together with suitable means for securing the protecting-strip or shield together at its ends.

- We do not claim,broadly, the idea of placing a protecting-strip or shield in the treadof a pneumatic tire, as we are aware that this has previously been done with, shields having a curved surface; but we have learned through actual demonstrations that shields having a curved surface are impracticable, as the elasticity of the metal is destroyed. Byconstructing the protecting-strip or shield with a flat surface, however, the Inetalzretains the same degree of elasticity when placed in the tire and gives or springs with the tire when striking an object, whereas in the curved protectobtained. y

It will be noted that various changes may be made in the details of construction without departing from the general` spirit of our invention.

we claim as new, and desire to secureby Letters Patent, is

of isa slit 5, whichA is adapted to receive the protecting-strip or shield 6. 'By reference to In Fig. 4 we have shown a clip 7, by means* ing-strip or shield none `of this elasticity is Having fully described our invention,what

TOO

Hat tread extending beyond Iolle sides of the as described. air-chamber Within the tire, said at tread In testimony whereof We afx our signal beingv provided With a central slib extending tures in presence of two Witnesses.

5 ercumferentiallythereof andbeingofgreater e Width than the air-chamber of the Dire, a metallic strip fitting Within said slib and having each of its ends beveled, a clip having a slit Vitnesses: in each end thereof to receive said beveled GEORGE BAKER,

1o ends of the metallic strip, and means for se EMIL SIELAFF.

A pneumatic 'nire which is formed with a curing said ends Within the' elipubstm'tially 

